Auxiliary seat



April 29, 1930. B. 'S pRAN'E v 1,756,182

` AUXILIAR! SEAT Filed Jan. 20, 'l928 3 Sheets-Sheet l gru/vanter,

B. S. DRANE AUXILIARY SEAT April 29, 1930.

Filed JanA 20, 11928 5 Sheets-Shet w m m m April 29, 1930. B. s 4DRAME I 1,756,182

AUXILIARY ASEAT 3&3 MW

Patented Apr. V29, 1930 y BRENT s. DRANE, Yor CHARLOTTE, ,NORTH CAROLINA AUXTLIARY siiAT i. vAppli@anon' filearanuaryao. 192s. serieu No. 248,173.

' The invention relates to that type of auxiliaryk seat-colloquially known as lazy backs. Such devices are intended to be used in conjunction with a backless bench or stool in such a manner as'to give a measure vof sup-A port to the sitters back. f

The principal object of the invention is to provide an efectivedevice of ,this nature at the least possible cost, and to this endl propose to construct such seats entirely vof suitable fabric material without the use of any supporting frames.- A seat so constructed may be formed from a single blank, ori't may be built up from a plurality of blanks, or again, the bodies Vof the seats may be formed duringV their original manufacture to the desired specifications.

I have used above the term fabric material and it is to be understood that I use this' expression in its broadest sense as meaning any suitable felted, woven, material composed `of animal, vegetable, or any other suitable fibers. 1 v

y Further, this material may be waterproofed,reenforced, or treated in any otherv desirable manner.

Vith these general premises in view, I shall proceed to describe a number of embodiments of my invention with reference to the accompanying drawings, wherein- Fig. 1 shows a perspective view of one form of seat according to the invention. I`

Fig. v2 shows in plan' view a single blank from which the seat of Fig. 1 'is formed.

Fig. 3 is a perspective'of another form of seat.

Fig. 4 is a plan view of the blank from which the seat of Fig. 3 is formed.

Fig. 5 is a perspective of still another form of seat with `parts dis-associated. Y

Fig. 6 is awplan view of the blank from which the seat of Fig. 5 is formed.

Fig. 7 is a perspective from anotherk angle of the finished seat accordingxto Fig. 5.

Fig. 8 is a` perspective of another form of auxiliary seat shown positioned on the seat of a stool. 1 y Y i Fig..9 is a perspective of a further embodiment of the invention shown attached to the Y l A. for-cedby doubling, in the manner described, 190

seat of an ordinary stool.

knitted or nettedl Fig. 10 is a section of Fig. 9 taken on a line froiljn the front to the rear of the auxiliary sea Fig. 11 is a perspective showing the parts ofthe auxiliary seat of Fig. 9 as dis-asso- 55 ciated.

Fig. 12 is a face viewvof a section of re-enforced fabric material, andf Fig. 13 is a section of Fig. 12 taken transversely of the re-enforcing elements.

Referring to the drawings, it will be seen that thev seat according to Fig. 1 comprises a bottom portion15, a back portion 16, and side portions 17 and 18. A seat ofthis general form Vmay' be secured by properly folding` 465 blanks of various forms. In this instance a quadrilateral blank, such as is shown -in Fig.

2, is utilized, land this blank is folded as follows: f y f The four sides of the blank are designated 19, 20, 21 and 22, and initially the margin at side 19 is folded over and downwardly on line 23, :and thereupon tips 24 and 25 are folded over and downwardly on lines 26 and `27.

Now by bringing lines 28 and 29 overjag'ainst 75 equal lines 30i and 31, respectively, rearward bellows folds are created along lines 32 and 33,` so that triangle 22, 28,32, lies over triangle 22, 30, 32, and triangle 20, 29, 33, lies over` triangle 20,31, 33, this beinglpermitted byflexures along lines 15, 16', and 16. These two triangular lateral wings arey now folded under the bottomportion 15 and secured, the extreme portions`31l and 35 of tips 24 and 25 being folded along. lines 36 Vand 37 and brought yon top. of bottom 15. Flap 38 is now foldedoveron bottom 15 and tips 34 and 35 Vand suitably secured in this relation. It willbe noted that back portion 16 is inclined at an acute angle to bottom15. This is for the reason that in use the angles between side portions 17 and 18 and back portion 16 tend to straighten-out, thus throwing theV upper Y' margin of-back portion 16 rearwardly.

In use, the outer margins ofthe back, bottom and side portions form what is in effect a strap extendingunder the legs and across the back of the u ser. Since most of the strain is takenby the marginal areas,-these are re-ento forni binding means for the edges. The form shown may be conveniently made of kraft paper or'the like, which may be waterproofed and re-enforced if desired. By way of example, the seat according to Fig. l may Ybe made of two-ply fabric material as shown 1n Figs. 12 and 13, the material being re-enforced by lamentary re-enforcing elements, such as strings 39 secured between the outer and inner plies and 41, the plies lbeing securedtogether by a waterproof adhesive. In using such a re-enforced fabric material, the blank is so out that when folded the filamentary elements will run horizontally across back portion 16, and obliquely between the back portion and thebottom portion through the side portions. Y Y Y `When in dis-use the side portions 17 and 18 are bellowsed inwardly along lines 17 and 18, so that the device will occupy very little space.

The 'auxiliary seat according to Fig. 43 is "likewise made of a single bla-nk, in this `instance in the form of an oblong, having sides l2, 43, 44 and 45. In this instance the seat portion proper is really defined by the dotted lines 46, 47, 48 and 49, Vthe sections between these lines andthe extreme edges being lapped over to form the re-enforced edges. In forining the seat, corner 50 is folded over along the line 51 and corner 52 along line 53. The lower left hand square -is given a forward fold'along line 54, and the lower right hand square along line 55, and the resulting triangular portions designated as 56 and 57 in Fig. 3 are brought into the position there shown on bottom portion 58, flexure also taking place along lines 59, 60, 58', 65 and 65". dis-use side portions 61 and 62 are bellowsed inwardly along lines 63 and 64 so that back portions 65 may be brought down against the body portion.

The seat according toV Fig. 5 again is composed of 'axsingle blank, this time in substantially the form ofthe letter T having Ysides 66, 67, 68, 69, 70, 71, 72 and 73. vThe upper margin is. first folded forward on line 74 against the body of the blank, and thereupon the tips are folded forwardly along lines 75 and-76 against the body. The lower margin is folded upwardly and inwardly along line 7 7. The side wings are `now swung inwardly along lines 78 and 79, whereupon theV whole upper portion isfolded toward seat portion 8O alongline 81, and corners 82 and 83 are folded under the bottomV portion along lines 84 and 85, extreme'tips 74 and 7 4-being brought on top ofthe bottom portion. The corners of the Y blank between line 74 and lines 67 and 73 are brought on :top` of the bet-tom portion 80.-

Lines 84 and 85 up fto their .points of intersec- Vtion with lines and 76, respectively, are

equal to sides 71 and 69. Consequently, the triangular portions 86 and 87 included respectively between lines 73, 73', and 75, and 67,

When the seat is inY 67 and 76, extend forwardly beyond the bot tom portion Y80, and are folded back against the latter in the manner shown in Fig. 5 and secured thereto. rllhe sides may be bellowsed inwardly along lines 8,4 and The describedframeless auxiliary seats will be most eective when they lit the person of the user somewhat closely, and for this reason they are preferably made in a number of sizes. is an alternative the perimeter-s of the outer margins may be made/adjustable, and means 'for effecting such adjustability are shown by wayfof example in Fig. 7. According to this figure, back portion 88 has secured thereto two parallel eyeletted strips 89 and 90, these latterbeing connected together by means of a string 91. If the seat is too large it may be made smaller'by tightening the string. In so doing the back portion intermediate the straps will be bellowsedinwardly, the bellowsed rportion being Aflattened out when the seat is in use.

It is to be understood that this adjustable feature is equally Vapplicable to the devices shown in Figs. 1 and 3, and that the re-enforced fabric of Figs. 12 and 13, which has been shown in application only in Fig. 7, is equally applicable to the devices according `to Figs. 1 and 3.

`rl`he seats shown in Figs.1-5 and 7 are preferable as to forin as compared to the sheet shown in Fig. 3 for the reason that, as clearly indicated, the back portion and side porticns are inwardly inclined from the verticaltheir planes -produced would lconverge at a point above the bottom portion. This design accentuates the strap effect which I have mentioned above and a .bag7 effect, so to speak, is secured rather than a tray effect as in Fig, 3. W hen the vbottom portion and back r portion are so proportioned vthat their outer margins engage the user just behindthe bent knee and just above the hips, respectively, a maximum degree of support is afforded.

According to Fig. 8, the 'auxiliary seat is composed of a netted 'or reticulated fabric body 92 formed to thc proper shape,the margins being securely bound with fa 4non-elastic element 93. The bottom portion of binding 93 may be secured by means of cords 94 and 95 to the legs of a stool 96.

In Figs. 9l to 11 the seat is composed of fieX ible fiberboard, canvas, or `other suitable material, and composedoftwoblanks 97 and V98. Blank 98 constitutes the` vseat portion and is in the shape of amajor segment of a circle. Blank 97 constitutes the back and side portions and is in the shape of a minor segment of a larger. circle. The straight 4edge of segment 97 is ybent inwardly yto forni a flange 99 so as to underlie the margins of the circular portion of seat portion 98, and the `flange Vand margins 'are suitably secured together.

` e'Eect a strap adapted to extend under the` gin 101 of bottom portion 98 is bent backV underneath and secured to provide a re-enforced edge. Draw strings 100 are adapted to be'secured to the legs of a stool 102 as indicated in Fig. 9. It is obvious that instead of draw strings any other suitable attachment devices may be used.

y While I have necessarily shown and described some illustrative embodiments of my j invention, it is to beunderstood that I do not confine myself to the exact details disclosed, but vthat the scope of my invention is determined in the following claims.

I claim zl. A frameless auxiliary seat' of fabric ma-y terial, said seat comprising a bottom portion, a back portion, and side .portions,said side portions comprising webs joining the outer margin of said back vportion with the outer margin of said `bottom portion, theouter margins Vof all of said portions forming in legs and across the back of the user, and means to adjust the perimeter of said seat along saidl margins. f

2. A frameless auxiliary seat of fabric material, saidV seat comprising a Vbottom por tion, a back portion, and side portions, said side portions comprising webs joining the outer margin of said back portions with the outer margin ofk said bottom portion, the' outer marginal sectionsof said back and side portions being turned on themselves and secure-d to form re-en'forcing binding means, the outer margins of all said sections forming in effect a strap adapted to extend under the legs and across the back of the user, and means to adjust the perimeter of said seat along said margins. I,

3. A frameless auxiliary seat of fabric material, said seat' comprising a bottom portion, a baclr. portion, and side portions, the planes of said side portions and back portion being upwardly convergent, said side portions comprising webs joining the outer margin of said said bottom portion, the outer margins of all of said portions forming in effect a strap adapted to extend under the legs and across the back of the user.

4C. A frameless auxiliary seat of terial, said seat comprising a bottom portion, a back portion, and side portions, theplanes of said sid-e portions and back portion being upwardly convergent, said side portions eomprisingwebs joining the outer margin of said back portion with the outer margin `of said bottom portion, the 'outer margins of all of said portions forming in effect al strap adapted to extend under the legs and across the back ofthe user, and means to adjust the perimeter of said seat along said margins. v

5. A frameless auxiliary seat of fabric maback portionr with the outer margin ofY fabric ma- Y `terial, said seat comprising a bottom portion,

a back portion, and side portions, the planes of said side portions and back portion being upwardly convergent, said side portions comprising webs joining the outer margin of said back portion with the outer margin of said bottom/portion, the outer marginal sections of said back and side portions being turned on themselves and secured to form re-enforce ing binding means, the outer margins of all said sections forming in effect a strap adapted to extend under the legs and across the back of the user..

' 6. A frameless auxiliary seat of fabric material, said seat comprising a bottom portion, a back portion, and side portions, the planes of said side portions and back portion being upwardly convergent, said side portions coml prising websjoining the outer margin of said back portion with the outer margin of said bottom portion, the outer ymarginal sections of said 'back and side portions being turned on themselvesand secured to form reenforcing binding means, the outer margins of all said sections forming ineifect a strap adapted to extend under the legs and across the back of the user, and means to adjust the perimeter of said seat along said margins.

. 7. A seatcover formed from a single sheet of flexible material folded to portion, side portions and a oneof said portions consisting of a plurality Vof lapped folds extending substantially perone of said portions consisting of a plurality of lapped folds extending substantially perpendicularly to the other of said portions and to the side portions, said' side portions having means whereby they may be folded inwardly between the seat and back portions.

In testimony whereof I have hereunto set my hand.

BRENT S. DRANE.

iso 

